---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1952 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 669 9846 4 5473 14977 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:98:c4:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84472sec preferred_lft 84472sec inet6 fe80::f816:3eff:fe98:c471/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:ce:0c:b6:7b:c2 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1952) 04/11/26 _x86_64_ (4 CPU) 04:38:50 LINUX RESTART (4 CPU) 04:40:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:21 71.96 15.53 48.67 7.76 522.36 5123.19 142345.56 05:00:01 11.99 0.16 10.13 1.69 4.84 844.86 30035.21 05:10:04 32.72 0.44 27.72 4.56 15.06 6323.82 11314.83 Average: 39.18 5.43 29.05 4.70 182.44 4138.30 61491.77 04:40:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:21 9301112 12741264 3218224 19.66 154768 3408556 3377608 19.39 757852 5904444 4312 05:00:01 9361996 13193840 2762308 16.87 172940 3750696 3002200 17.23 852868 5725232 196192 05:10:04 10144212 15394004 553960 3.38 195576 5076404 1051288 6.03 1417920 4280904 1668 Average: 9602440 13776369 2178164 13.30 174428 4078552 2477032 14.22 1009547 5303527 67391 04:40:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:21 lo 16.97 16.97 3.72 3.72 0.00 0.00 0.00 0.00 04:50:21 ens3 79.66 64.45 740.10 14.23 0.00 0.00 0.00 0.00 04:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 lo 228.21 228.21 183.23 183.23 0.00 0.00 0.00 0.00 05:00:01 ens3 29.16 19.83 240.91 4.09 0.00 0.00 0.00 0.00 05:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:04 lo 2094.28 2094.28 2017.18 2017.18 0.00 0.00 0.00 0.00 05:10:04 ens3 107.43 100.90 266.50 628.50 0.00 0.00 0.00 0.00 05:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 788.53 788.53 743.36 743.36 0.00 0.00 0.00 0.00 Average: ens3 72.63 62.28 417.54 218.78 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1952) 04/11/26 _x86_64_ (4 CPU) 04:38:50 LINUX RESTART (4 CPU) 04:40:21 CPU %user %nice %system %iowait %steal %idle 04:50:21 all 36.02 0.08 1.38 0.55 0.08 61.89 04:50:21 0 36.46 0.10 1.29 0.51 0.08 61.56 04:50:21 1 36.27 0.01 1.63 0.56 0.08 61.45 04:50:21 2 34.51 0.17 1.51 0.86 0.08 62.88 04:50:21 3 36.85 0.02 1.11 0.27 0.08 61.67 05:00:01 all 20.34 0.00 0.93 0.06 0.08 78.59 05:00:01 0 19.93 0.00 0.86 0.04 0.08 79.10 05:00:01 1 21.13 0.00 1.04 0.04 0.08 77.72 05:00:01 2 20.95 0.00 0.92 0.09 0.08 77.96 05:00:01 3 19.35 0.00 0.91 0.06 0.08 79.60 05:10:04 all 48.60 0.00 2.45 0.16 0.08 48.71 05:10:04 0 47.91 0.00 2.42 0.09 0.08 49.51 05:10:04 1 45.82 0.00 1.87 0.13 0.08 52.10 05:10:04 2 49.56 0.00 2.52 0.25 0.08 47.59 05:10:04 3 51.12 0.00 3.01 0.16 0.08 45.64 Average: all 35.18 0.03 1.60 0.26 0.08 62.86 Average: 0 34.96 0.03 1.53 0.22 0.08 63.18 Average: 1 34.58 0.00 1.52 0.25 0.08 63.57 Average: 2 35.18 0.06 1.66 0.40 0.08 62.63 Average: 3 35.99 0.01 1.69 0.16 0.08 62.07